ERROR: (device loop9): diWrite: ixpxd invalid
ERROR: (device loop9): remounting filesystem as read-only
ERROR: (device loop9): txCommit:
BUG: Bad page state in process syz.9.1703 pfn:1df47
page:ffffea000077d1c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x43 pfn:0x1df47
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea00015c1a08 ffffc90003ad79a0 0000000000000000
raw: 0000000000000043 ffff88804ae0f000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 12070, tgid 12069 (syz.9.1703), ts 468596751407, free_ts 468295760915
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4157
do_mkdirat+0x1d8/0x440 fs/namei.c:4182
__do_sys_mkdirat fs/namei.c:4197 [inline]
__se_sys_mkdirat fs/namei.c:4195 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4195
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
tlb_batch_list_free mm/mmu_gather.c:76 [inline]
tlb_finish_mmu+0x13a/0x220 mm/mmu_gather.c:397
exit_mmap+0x388/0x970 mm/mmap.c:3262
__mmput+0x118/0x3a0 kernel/fork.c:1210
exit_mm+0x24d/0x350 kernel/exit.c:572
do_exit+0x958/0x2570 kernel/exit.c:874
do_group_exit+0x229/0x2e0 kernel/exit.c:1030
get_signal+0x1259/0x1340 kernel/signal.c:2884
arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
__syscall_exit_to_user_mode_work kernel/entry/common.c:295 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:306
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 12070 Comm: syz.9.1703 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23f799f40a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23f8923e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f23f8923ee0 RCX: 00007f23f799f40a
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f23f8923ee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007f23f8923ea0 R14: 0000000000000000 R15: 0000200000002cc0
BUG: Bad page state in process syz.9.1703 pfn:57068
page:ffffea00015c1a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x42 pfn:0x57068
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001875148 ffffc90003ad79a0 0000000000000000
raw: 0000000000000042 ffff8880558da5d0 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 12070, tgid 12069 (syz.9.1703), ts 468596704976, free_ts 468295772664
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4157
do_mkdirat+0x1d8/0x440 fs/namei.c:4182
__do_sys_mkdirat fs/namei.c:4197 [inline]
__se_sys_mkdirat fs/namei.c:4195 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4195
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
tlb_batch_list_free mm/mmu_gather.c:76 [inline]
tlb_finish_mmu+0x13a/0x220 mm/mmu_gather.c:397
exit_mmap+0x388/0x970 mm/mmap.c:3262
__mmput+0x118/0x3a0 kernel/fork.c:1210
exit_mm+0x24d/0x350 kernel/exit.c:572
do_exit+0x958/0x2570 kernel/exit.c:874
do_group_exit+0x229/0x2e0 kernel/exit.c:1030
get_signal+0x1259/0x1340 kernel/signal.c:2884
arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
__syscall_exit_to_user_mode_work kernel/entry/common.c:295 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:306
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 12070 Comm: syz.9.1703 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23f799f40a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23f8923e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f23f8923ee0 RCX: 00007f23f799f40a
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f23f8923ee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007f23f8923ea0 R14: 0000000000000000 R15: 0000200000002cc0
BUG: Bad page state in process syz.9.1703 pfn:61d45
page:ffffea0001875140 refcount:0 mapcount:0 mapping:0000000000000000 index:0x41 pfn:0x61d45
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0000b83e48 ffffc90003ad79a0 0000000000000000
raw: 0000000000000041 ffff8880558dac98 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 12070, tgid 12069 (syz.9.1703), ts 468596656484, free_ts 468295784454
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4157
do_mkdirat+0x1d8/0x440 fs/namei.c:4182
__do_sys_mkdirat fs/namei.c:4197 [inline]
__se_sys_mkdirat fs/namei.c:4195 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4195
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
tlb_batch_list_free mm/mmu_gather.c:76 [inline]
tlb_finish_mmu+0x13a/0x220 mm/mmu_gather.c:397
exit_mmap+0x388/0x970 mm/mmap.c:3262
__mmput+0x118/0x3a0 kernel/fork.c:1210
exit_mm+0x24d/0x350 kernel/exit.c:572
do_exit+0x958/0x2570 kernel/exit.c:874
do_group_exit+0x229/0x2e0 kernel/exit.c:1030
get_signal+0x1259/0x1340 kernel/signal.c:2884
arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
__syscall_exit_to_user_mode_work kernel/entry/common.c:295 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:306
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 12070 Comm: syz.9.1703 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23f799f40a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23f8923e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f23f8923ee0 RCX: 00007f23f799f40a
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f23f8923ee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007f23f8923ea0 R14: 0000000000000000 R15: 0000200000002cc0
ERROR: (device loop9): dtSearch: stack overrun!
ERROR: (device loop9): remounting filesystem as read-only
btstack dump:
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
jfs_lookup: dtSearch returned -5